30213021001 has 8 divisors (see below), whose sum is σ = 30340970280. Its totient is φ = 30085152768.

The previous prime is 30213020939. The next prime is 30213021023. The reversal of 30213021001 is 10012031203.

It can be written as a sum of positive squares in 4 ways, for example, as 13783934025 + 16429086976 = 117405^2 + 128176^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30213021001 - 2¹⁵ = 30212988233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213021031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795885 + ... + 832981.

It is an arithmetic number, because the mean of its divisors is an integer number (3792621285).

Almost surely, 2^30213021001 is an apocalyptic number.

It is an amenable number.

30213021001 is a deficient number, since it is larger than the sum of its proper divisors (127949279).

30213021001 is a wasteful number, since it uses less digits than its factorization.

30213021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40523.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30213021001 its reverse (10012031203), we get a palindrome (40225052204).

The spelling of 30213021001 in words is "thirty billion, two hundred thirteen million, twenty-one thousand, one".